1 files changed, 17 insertions, 0 deletions
diff --git a/tests/run-make/pgo-branch-weights/main.rs b/tests/run-make/pgo-branch-weights/main.rs
new file mode 100644
index 000000000..619cf9c69
--- /dev/null
+++ b/tests/run-make/pgo-branch-weights/main.rs
@@ -0,0 +1,17 @@
+extern crate interesting;
+
+fn main() {
+    let arg = std::env::args().skip(1).next().unwrap();
+
+    for c in arg.chars() {
+        if c == '2' {
+            interesting::function_called_twice(c);
+        } else {
+            interesting::function_called_42_times(c);
+        }
+
+        if c == '0' {
+            interesting::function_called_never(c);
+        }
+    }
+}